Survey Identifier: 80041401
Format Acronym: MGD77
Data Center File Number: 08010058
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19
Source Institution: HAWAII INSTITUTE OF GEOPHYSICS
Country: U.S.A.
Platform Name: R/V KANA KEOKI
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): DAVID EPP; VON HERZEN
Project: HEATFLOW HAWAIIAN SWELL, KK80041401
Funding: NSF
Survey Departure Date (yyyymmdd): 19800414
Port of Departure: HONOLULU, HAWAII U.S.A.
Survey Arrival Date (yyyymmdd): 19800516
Port of Arrival: MIDWAY, U.S.A.
Navigation Instrumentation: SATELLITE,LORAN-C
Geodetic Datum/Position: PRIM-SATELLITE
Bathymetry Instrumentation: 3.5 KHZ,30-DEGREE BEAM,1-SEC.SWEEP
Additional Forms of Bathymetric Data: ANALOG,MICROFILM
Magnetics Instrumentation: PROTON PRECESSION MAG-GEOMETRICS
Additional Forms of Magnetics Data: ANALOG,MICROFILM,DATA LOGGER
Gravity Instrumentation: LACOSTE-ROMBERG S-33
Additional Forms of Gravity Data: ANALOG,MICROFILM,DATA LOGGER
Seismic Instrumentation: (SEE ADD.DOC. 18)
Formats of Seismic Data: ANALOG,MICROFILM
Topmost Latitude of Survey: +29
Bottommost Latitude: +15
Leftmost Longitude: -179
Rightmost Longitude: -151
General Digitizing Rate of Bathymetry: 27
General Sampling Rate of Bathymetry: 1/SECOND
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: NO INTERPOLATION
General Digitizing Rate of Magnetics: 010
General Sampling Rate of Magnetics: 06
Magnetic Sensor Tow Distance: 0213
Sensor Depth: 00000
Horizontal Sensor Separation: 000
Reference Field Code: 04
Reference Field: IGRF 1975
Method of Applying Residual Field: CALCULATED FOR EACH DATA VALUE
General Digitizing Rate of Gravity: 050
General Sampling Rate of Gravity: 00
Theoretical Gravity Formula Code: 3
Theoretical Gravity Formula: IAGSYSTEM1967
Reference System Code: 3
Reference System: IGSN71
Corrections Applied: NONE APPLIED
Departure Base Station Gravity: 9789243
Departure Base Station Description: HONOLULU, HAWAII U.S.A.
Arrival Base Station Gravity: 0000000
Additional Documentation: 09 80-CU.IN. AIRGUN, 50-300HZ., 40-150HZ.,4-SEC.REP.RATE. 15 GRAVITY BASE STATIONS IN GEORGE P. WOOLLARD AND JOHN C. ROSE, 15 INTERNATIONAL GRAVITY MEASUREMENTS, MADISON, UNIV OF WISCONSIN, 1963
Number of Data Records: 29859
Min/Max Data Record:
Date: 1980 04 14
Latitude: +15.87806
Longitude: -178.38186
Bathymetry, 2- Way Traveltime: 000060
Bathymetry, Corrected Depth: 5.0
Magnetics Total Field, 1st Sensor: 345940
Magnetics Residual Field: -03870
Free-Air Anomaly: -1053
Min/Max Data Record:
Date: 1980 05 16
Latitude: +28.21419
Longitude: -151.86397
Bathymetry, 2- Way Traveltime: 074410
Bathymetry, Corrected Depth: 5618.0
Magnetics Total Field, 1st Sensor: 350340
Magnetics Residual Field: +00770
Free-Air Anomaly: +3284